AlternativeTextController should hold onto Frame as a reference
Created attachment 209682 [details] Patch
Comment on attachment 209682 [details] Patch Attachment 209682 [details] did not pass efl-ews (efl): Output: http://webkit-queues.appspot.com/results/1592041
Comment on attachment 209682 [details] Patch Attachment 209682 [details] did not pass qt-ews (qt): Output: http://webkit-queues.appspot.com/results/1586046
Comment on attachment 209682 [details] Patch Attachment 209682 [details] did not pass efl-wk2-ews (efl-wk2): Output: http://webkit-queues.appspot.com/results/1590047
Comment on attachment 209682 [details] Patch Attachment 209682 [details] did not pass qt-wk2-ews (qt-wk2): Output: http://webkit-queues.appspot.com/results/1591046
Committed r154648: <http://trac.webkit.org/changeset/154648>